Mining Engineers' Handbook, Volume 2Robert Peele, John Adams Church J. Wiley & sons, Incorporated, 1941 |
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Halaman 17-9
... elev of A Example : Sta A = 4.243 Sta B = 5.724 and B = 1.481 Instrument at Sta B Rod reading on Sta B 4.618 Rod reading on Sta A = 3.177 Diff in elev of B and A = 1.441 = Mean of two differences = 1/2 ( 1.481 +1.441 ) Instrument at B ...
... elev of A Example : Sta A = 4.243 Sta B = 5.724 and B = 1.481 Instrument at Sta B Rod reading on Sta B 4.618 Rod reading on Sta A = 3.177 Diff in elev of B and A = 1.441 = Mean of two differences = 1/2 ( 1.481 +1.441 ) Instrument at B ...
Halaman 17-35
... elev above mean sea level or any other assumed datum plane has been accurately determined . The B S is added to elev of B M , giving height of instrument ( H I ) , or elev of line of sight above datum plane . Rod - readings , called ...
... elev above mean sea level or any other assumed datum plane has been accurately determined . The B S is added to elev of B M , giving height of instrument ( H I ) , or elev of line of sight above datum plane . Rod - readings , called ...
Halaman 26-38
... Elev . 291.5 Brake Lever Fixed Point Elev.278 Elev.260 ∙ 16'0 Fig 39. Loading Terminal , Double Reversible Tramway Calde Elev , of Cable 30 To Anchorage Trection Rope On gravity lines , relation of operating force to resistance must be ...
... Elev . 291.5 Brake Lever Fixed Point Elev.278 Elev.260 ∙ 16'0 Fig 39. Loading Terminal , Double Reversible Tramway Calde Elev , of Cable 30 To Anchorage Trection Rope On gravity lines , relation of operating force to resistance must be ...
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COMPRESSED | 15 |
Applications Definitions Data | 15-44 |
Accident Compensation Pensions | 16-1 |
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